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Winners investigated yawning turtles, procrastination and the end of the world

The Ig Nobel Prizes were given out last night at Harvard University, 10 awards in the fields of Physiology, Chemistry, Medicine, Literature, Biology, Physics, Mathematics, Peace and Public Safety. Winners researched such areas as a safety alarm that sprays wasabi and beetles that mate with beer bottles.

MEDICINE:
To Matthew Lewis, Peter Snyder, Robert Feldman, Robert Pietrzak, David Darby, Paul Maruff along with Mirjam Tuk, Debra Trampe and Luk Warlop for discovering people make better decisions about some kinds of things but worse decisions about other kinds of things when they have a strong urge to urinate.

PUBLIC SAFETY:
To John Senders for conducting a series of safety experiments in which a person drives a car on a major highway while a visor repeatedly flops down, intermittently blinding him. This decades old research has new relevance with the advent of phoning and texting while driving.